As he drew abreast of the man he pretended to stumble.当他赶上那个男人时，他装出了要跌倒的样子。I make it into the darkness with only one stumble.我只是绊了一下，周围就变成了一片黑暗。The sudden weakness in her legs made her stumble.她突然两腿发软踉跄了一下。...

n.年，岁...

n.马伽铝镁合金...

consume的现在完成时为：consumed...

You see I would rather chum with the few mechanics there were in that station.你们看,我倒情愿与那站上的那几个机修工交朋友.an old school chum老校友...his old chum Anthony.他的老朋友安东尼There's your old chum, Francis Getliffe and his friends.还有你的老...

slum的现在完成时为：slummed...

Lights reflected off dust-covered walls creating a ghostly luminescence.灯光照在满是灰尘的墙上，反射回苍白的冷光。With good light collection, about 30 % of the luminescence quanta may reach the photocathode.在良好的光收集条件下, 约30%的荧光量子可以到达光阴极.cryst...

排气泵...

exhuming的音标：...

We were amazed, shocked, dumbfounded, shaking our heads in disbelief.我们震惊、愕然、目瞪口呆，难以置信地摇着头。I stood there dumbfounded.我站在那儿目瞪口呆。His reply dumbfounded me.他的回答使我哑然。...

n.贫民窟，贫民区vi.（因好奇而）逛贫民区...

Can meet the daily life humiture survey requirements.能达到日常生活温湿度测量要求.The humiture balance workplace can reduce paper deformation, misregister electrostatics and so on.车间温干度不均能裁减纸张变形 、 套印禁绝及静电等题目....

降糖片，二甲双胍...

n.裂变产物的平衡混合物...

They used to buy ten kilos of beef in one lump.他们过去常买10公斤重的整块牛肉。a lump of gristle一块软骨She impaled a lump of meat on her fork.她用叉子戳起一块肉。...

jumbo的音标：jumbo的英式发音音标为：['dʒʌmbəʊ]jumbo的美式发音音标为：['dʒʌmboʊ]...

circumnavigated的音标：...

laumontite的音标：laumontite的英式发音音标为：[lɔ:mɒn'taɪt]laumontite的美式发音音标为：[lɔmɒn'taɪt]...

cumin的音标：cumin的英式发音音标为：['kʌmɪn]cumin的美式发音音标为：['kʌmɪn, 'kumɪn, 'kju-]...

accumulate的一般过去时为：accumulated...

summons的一般过去时为：summonsed...

Physical perfection in a human being is exceedingly rare.体貌完美的人极为罕见。Watch any young human being, or any other young animal.注意儿童或其他幼小动物。He didn'treally believe that any human being could read another's mind.他并不真...

stumpy的音标：stumpy的英式发音音标为：['stʌmpi]stumpy的美式发音音标为：['stʌmpi]...

He was an experienced parachutist who had done over 150 jumps.他是个经验丰富的跳伞者，已经跳过150多次伞了。Everybody still jumps up and down about being rid of tyrants.大家都还在为摆脱了暴君的统治而激动不已。Sophia jumps up and throws down her knitting.索菲娅跳起身来，...

aluminosilicate的音标：aluminosilicate的英式发音音标为：[əlju:mɪnəʊ'sɪlɪkeɪt]aluminosilicate的美式发音音标为：[əljumɪnoʊ'sɪlɪkeɪt]...

flume的音标：flume的英式发音音标为：[flu:m]flume的美式发音音标为：[flum]...

He often works by rule of thumb.他通常凭经验办事.As a rule of thumb, a cup of filter coffee contains about 80mg of caffeine.凭经验估计，一杯过滤咖啡约含80毫克咖啡因。A good rule of thumb is that a broker must generate sales of ten times his salary ...

We admire her dedication to the cause of humanity.我们敬佩她对人类事业的献身精神。For him, the place is fairly boiling with humanity.对他来说，这个地方充满了人情味。They have extended the potential life span of humanity everywhere.世界各地人类的预期寿命均有所延长。...

She won a silver medal in the high jump.她跳高得了银牌。I want to enter my name down for the high jump.我想报名参加跳高比赛.How many entries are there for the high jump?报名参加跳高比赛的有多少人?...

epipodium的音标：epipodium的英式发音音标为：[epɪ'pəʊdɪəm]epipodium的美式发音音标为：[epɪ'poʊdɪrm]...